Bed-caster.



W. J. PIERCE.

BED CASTER.

APPLICATION FILED JULY 31,1912.

Patented June 3, 1913.

Hilf gm /V'n asses, B17691250 14,

fr @El ite/Joie WELLIAM J. PIERCE, 0F EUE, CALFORNX.'

Epeeiestlon of Letters Estant.

Application led July 31, 1912. .Serial No.

To oil 'whom may concern.'

.lie it known that 'Wimmer il'. Pinnen, u citizen or the United. Sintes, residing st Eureko, in the county o Humboldt and State o Californie, here invente new sind useful lm rovements in Bed Casters, of which the iollowing is specification.

This invention relates to oesters and psrtieuisrly to oesters 'or loods ond other furniture.

:it is en object of the present invention to proriele s leed Coster hei/ing o roller connecteel to s stern which is turnshle in o loesring o enoshspeei niece, 'within which is. monotonie en eli-istie invertefi socketspring; 'tlieporposo ofi the peculiar shops o' the enp member snel spring losing to more sulistnntielly support the foot oi the bed snel guir'le enel lessee the roller spindle.

The invention consiste of the ports snfl the eonstruetion enel eonibinotion oat ports os iiereinszter more 'uiiy ieseriheci sn eieimetl, iiering reifer-ence to the accompanyimr drawings, in whichom. rigore 1 is s perspective View of the Coster showing the leed ost in dotted lines. lig. 2 is n control vertical section through tho device oppiieii to e lied post.

ln the illustrated embodiment of the invention 2 represents n roller hovino e spin n if ole 3 which is gournolcd in s. sunsble lniurestofl hearings 4i, to which rigidly se eureii on upworrily projecting stem or spin- (lle 5 adjacent the lower cmi o' which may lio formefl o washer or coller 6. The spin- (llo 5 is oi snilieient length to project upwardly through s eupsuspcci member T, Centrally perforated, es ut 8, to admit the stem 5; tho lower portion oi. the cup or socket ieee 7 hearing upon the washer 6 on the )eurin Il. The stem 5 proects u wurdly throng 1 the cup socket 7 en exten s somewhat beyond or above a spring structure i), which has n diaphragm or cross pluto 10, centrally perforated, es at 11, to admit the end of theistem 5; the side arms 12 voi' the spring device extending downwardly end normally expendino so es to engage the wells o the cupsoelrot 7a, and the lower ends o the leeres 12 of the spring espsncling und being turned slightly outworrl, es .et 13. i

The upper enel or' thespinelie i is perils rated diurnetrelly, as :it 14, to receive n, Cotter pin or other suitable device 15, which may be :assed through the eye of the spinelle 5 s ter the ports lieve been ossenoleri, os shown in Fig. Il. En the cose of fracture or injury of any oi the ports, the Cotter in or locking device 15 muy be removed so that the broken or injured piece Insy he removed snel a new one substituted in lieu thereof.

in practico, the exister structure is modo of various designs and proportions, so that one or the other may ne applied to the foot strueture A of s loefl or other srtiele of furniture to which the easter :may loe eppiieel. The space between the inner surface of the socket Wells "i" snel the outsiele surfsees of the leeres 12 is esiffnecl to he suiieient 'to permit the insertion of the lese or post A, enel es the spring piece 10-12 1s '.foreeei into the post A, the leeres of the springs will eutomntieslly yielcl ond frietionslly loin@ themselves in the post A, While the coller or cup structure 'l' *will slieie over the eircomforenee of the post structure A, until the transverse end of the lutter sets on the outwsrflly turned portions i3 of the spring 12, which will then he 'oreei firmly flown upon the bearing or supporting cup 7, this in turn trsnsmitting the lood of the article to Yne supportocl to the roller 2 of the Coster.

`From the 'foregoing it will oo seen that the easter is broecfl sggsinst tilting or lmeklinp by reason of the snug it of the soci-:et or eup over the rml of tho post A, while the ous-tor structure is rcmovelily lout irniy socurerl in position hy reason o? the spring; structure 10H12. I

ilisniiostly the device muy be inode of vorious styles, shapes und sizes, und o any suitable materiel.

Hoving thus dcseribe my invention, what. I chiim und desire to secure by ifctters Putent is n u Custer of the churseter riescribecl, u rectangular easing adopted to inelose the lower enel of 's square post, which hss s square inwardly tapering openiiug` in its lower end, s central cup itting seid. opening and having o control perforation st the top, the reetongulor sides of which cup ero isngefi outwardly et the bottom to it with il l) in the easing, and upon Which flange the In testimony whereof I have hereunto .set bottom of the post rests, and is clamped my hand in the presence of t-Wo subscribbetween the interior cup and the casing, said ing Witnesses.

casing having a hole in the bottom regster- WILLIAM J. PIERCE. ing With that n the top of the Cup, and Witnesses: adapted to receive the spindle of a roller J. J. CAIRNS,

caster. WILLIAM KEHOE.

Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents, Washington, I). C. 

